/*
**************************************************************************************
*Myriad Engine                                                                       *
*Copyright (C) 2006-2007, 5d Studios (www.5d-Studios.com)                            *
*                                                                                    *
*This library is free software; you can redistribute it and/or                       *
*modify it under the terms of the GNU Lesser General Public                          *
*License as published by the Free Software Foundation; either                        *
*version 2.1 of the License, or (at your option) any later version.                  *
*                                                                                    *
*This library is distributed in the hope that it will be useful,                     *
*but WITHOUT ANY WARRANTY; without even the implied warranty of                      *
*MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU                   *
*Lesser General Public License for more details.                                     *
*                                                                                    *
*You should have received a copy of the GNU Lesser General Public                    *
*License along with this library; if not, write to the Free Software                 *
*Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA      *
**************************************************************************************
*/
package leola.types;

import leola.ast.Stmt;
import leola.backend.interpreter.Scope;


/**
 * A {@link LeoFunction} is a function or better known as a Closure.
 * 
 * @author Tony
 *
 */
public class LeoFunction extends LeoScopedObject {

	/**
	 * Arguments
	 */
	private String[] parameters;
		
	/**
	 * Body
	 */
	private Stmt body;
	
	
	/**
	 * @param type
	 * @param numberOfArgs
	 * @param body
	 */
	public LeoFunction(String[] parameters, Stmt body, Scope scope) {
		super(LeoType.FUNCTION, scope);
		this.parameters = parameters;
		this.body = body;
	}


	/**
	 * @return the parameters
	 */
	public String[] getParameters() {
		return parameters;
	}


	/**
	 * @return the body
	 */
	public Stmt getBody() {
		return body;
	}


	/* (non-Javadoc)
	 * @see leola.types.LeoObject#eq(leola.types.LeoObject)
	 */
	@Override
	public boolean eq(LeoObject other) {
		return (other != null ) && (other == this);
	}


	/* (non-Javadoc)
	 * @see leola.types.LeoObject#gt(leola.types.LeoObject)
	 */
	@Override
	public boolean gt(LeoObject other) {
		return false;
	}


	/* (non-Javadoc)
	 * @see leola.types.LeoObject#lt(leola.types.LeoObject)
	 */
	@Override
	public boolean lt(LeoObject other) {
		return false;
	}		

	/* (non-Javadoc)
	 * @see leola.types.LeoObject#getValue()
	 */
	@Override
	public Object getValue() {	
		return this;
	}


	/* (non-Javadoc)
	 * @see leola.types.LeoObject#clone()
	 */
	@Override
	public LeoObject clone() {
		return new LeoFunction(this.parameters, this.body, this.getScope().clone());
	}
}
